aboutsummaryrefslogtreecommitdiff
path: root/plat/arm/board/rdv1mc/rdv1mc_security.c
blob: adc0bf816c9a61b0f8f76b933081f3603a8b1b73 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/*
 * Copyright (c) 2020-2021, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <common/debug.h>
#include <plat/arm/common/plat_arm.h>
#include <platform_def.h>

/* TZC memory regions for the first chip */
static const arm_tzc_regions_info_t tzc_regions[] = {
	ARM_TZC_REGIONS_DEF,
	{}
};

#if CSS_SGI_CHIP_COUNT > 1
static const arm_tzc_regions_info_t tzc_regions_mc[][CSS_SGI_CHIP_COUNT - 1] = {
	{
		/* TZC memory regions for second chip */
		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(1),
		{}
	},
#if CSS_SGI_CHIP_COUNT > 2
	{
		/* TZC memory regions for third chip */
		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(2),
		{}
	},
#endif
#if CSS_SGI_CHIP_COUNT > 3
	{
		/* TZC memory regions for fourth chip */
		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(3),
		{}
	},
#endif
};
#endif /* CSS_SGI_CHIP_COUNT */

/* Initialize the secure environment */
void plat_arm_security_setup(void)
{
	unsigned int i;

	INFO("Configuring TrustZone Controller for Chip 0\n");

	for (i = 0; i < TZC400_COUNT; i++) {
		arm_tzc400_setup(TZC400_BASE(i), tzc_regions);
	}

#if CSS_SGI_CHIP_COUNT > 1
	unsigned int j;

	for (i = 1; i < CSS_SGI_CHIP_COUNT; i++) {
		INFO("Configuring TrustZone Controller for Chip %u\n", i);

		for (j = 0; j < TZC400_COUNT; j++) {
			arm_tzc400_setup(CSS_SGI_REMOTE_CHIP_MEM_OFFSET(i)
				+ TZC400_BASE(j), tzc_regions_mc[i-1]);
		}
	}
#endif
}